1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
#include <sys/stat.h>
static void do_prepare (void);
#define PREPARE(argc, argv) do_prepare ()
static int do_test (void);
#define TEST_FUNCTION do_test ()
#include <test-skeleton.c>
static int fd;
static void
do_prepare (void)
{
fd = create_temp_file ("tst-posix_fallocate.", NULL);
if (fd == -1)
{
printf ("cannot create temporary file: %m\n");
exit (1);
}
}
static int
do_test (void)
{
struct stat64 st;
if (fstat64 (fd, &st) != 0)
{
puts ("1st fstat failed");
return 1;
}
if (st.st_size != 0)
{
puts ("file not created with size 0");
return 1;
}
if (posix_fallocate (fd, 512, 768) != 0)
{
puts ("1st posix_fallocate call failed");
return 1;
}
if (fstat64 (fd, &st) != 0)
{
puts ("2nd fstat failed");
return 1;
}
if (st.st_size != 512 + 768)
{
printf ("file size after first posix_fallocate call is %llu, expected %u\n",
(unsigned long long int) st.st_size, 512u + 768u);
return 1;
}
if (posix_fallocate (fd, 0, 1024) != 0)
{
puts ("2nd posix_fallocate call failed");
return 1;
}
if (fstat64 (fd, &st) != 0)
{
puts ("3rd fstat failed");
return 1;
}
if (st.st_size != 512 + 768)
{
puts ("file size changed in second posix_fallocate");
return 1;
}
if (posix_fallocate (fd, 2048, 64) != 0)
{
puts ("3rd posix_fallocate call failed");
return 1;
}
if (fstat64 (fd, &st) != 0)
{
puts ("4th fstat failed");
return 1;
}
if (st.st_size != 2048 + 64)
{
printf ("file size after first posix_fallocate call is %llu, expected %u\n",
(unsigned long long int) st.st_size, 2048u + 64u);
return 1;
}
close (fd);
return 0;
}
|
